neoremind created CALCITE-3980:
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Summary: Improvement for creating RedisTable
Key: CALCITE-3980
URL: https://issues.apache.org/jira/browse/CALCITE-3980
Project: Calcite
Issue Type: Improvement
Components: csv-adapter
Reporter: neoremind
When creating RedisTable via ModelHandler, it relies on an instance method
_RedisEnumerator#deduceRowType_ to extract field type map, redis connection
will be established and closed every time a table is created, which is
unnecessary and redundant, so simply make the method a static one will solve
the problem and make it more performant. Actually, CsvTable implementation
works the right way.
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